\chapter{三角形}

\section{三角形}
\input{units/czjh1-ch3-subsec1}
\input{units/czjh1-ch3-subsec2}
\input{units/czjh1-ch3-subsec3}
\input{units/czjh1-ch3-xiti6}

\section{全等三角形}
\input{units/czjh1-ch3-subsec4}
\input{units/czjh1-ch3-subsec5}
\input{units/czjh1-ch3-subsec6}
\input{units/czjh1-ch3-subsec7}
\input{units/czjh1-ch3-xiti7}

\section{等腰三角形}
\input{units/czjh1-ch3-subsec8}
\input{units/czjh1-ch3-subsec9}
\input{units/czjh1-ch3-xiti8}

\section{基本作图}
\input{units/czjh1-ch3-subsec10}
\input{units/czjh1-ch3-subsec11}
\input{units/czjh1-ch3-xiti9}

\section{直角三角形}
\input{units/czjh1-ch3-subsec12}
\input{units/czjh1-ch3-subsec13}
\input{units/czjh1-ch3-xiti10}

\section{逆定理、对称}
\input{units/czjh1-ch3-subsec14}
\input{units/czjh1-ch3-subsec15}
\input{units/czjh1-ch3-subsec16}
\input{units/czjh1-ch3-subsec17}
\input{units/czjh1-ch3-xiti11}

\input{units/czjh1-ch3-xiaojie}
\input{units/czjh1-ch3-fuxi}

